From b3490d036d1a6ebb43e9c41ff9a51800924bd089 Mon Sep 17 00:00:00 2001
From: Nick Smith <nick.smith@torchbox.com>
Date: Wed, 23 Sep 2020 14:57:44 +0100
Subject: [PATCH] Add data- attributes to GOOD_STRINGS

Boolean data attributes (e.g. data-foo) should not be translated,
whereas those which take values (data-title="foo") should be.
---
 django_template_i18n_lint.py | 2 +-
 tests.py                     | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/django_template_i18n_lint.py b/django_template_i18n_lint.py
index 9503b59..453758a 100755
--- a/django_template_i18n_lint.py
+++ b/django_template_i18n_lint.py
@@ -63,7 +63,7 @@ def location(str, pos):
         |(?:['"]\W+)?(?:data-|data-original-)?(?:alt|value|title|summary)=['"]?
 
          # Boolean attributes
-        |<[^<>]+?(?:checked|selected|disabled|readonly|multiple|ismap|defer|async|declare|noresize|nowrap|noshade|compact|hidden|itemscope|autofocus|autoplay|controls|download)[^<>]*?>
+        |<[^<>]+?(?:checked|selected|disabled|readonly|multiple|ismap|defer|async|declare|noresize|nowrap|noshade|compact|hidden|itemscope|autofocus|autoplay|controls|download|data-(?:(?!=)[a-z-]+(?=[<> /]))+)[^<>]*?>
 
          # HTML opening tag
         |<[\w:]+
diff --git a/tests.py b/tests.py
index 0c9f25f..628d930 100644
--- a/tests.py
+++ b/tests.py
@@ -33,6 +33,8 @@ class DjangoTemplateI18nLintTestCase(unittest.TestCase):
     testDjangoVar = _known_good_output("Foo{{ bar }}Baz", [(1, 1, 'Foo'), (1, 13, 'Baz')])
     testBooleanValuesOK1 = _known_good_output("<option selected>Option</option>",[(1, 18, 'Option')])
     testBooleanValuesOK2 = _known_good_output("<img src='my.jpg' ismap />",[])
+    testBooleanValuesOK3 = _known_good_output("<img src='my.jpg' ismap data-foo/>",[])
+    testBooleanValuesOK4 = _known_good_output("<img src='my.jpg' data-bar ismap/>",[])
 
     testNoHTMLAttrSingleQuote = _known_good_output("<form method='POST'>FOO</form>", [(1, 21, 'FOO')])
     testNoHTMLAttrDoubleQuote = _known_good_output("<form method=\"POST\">FOO</form>", [(1, 21, 'FOO')])